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macros.h
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/*******************************************************************************
* xmount Copyright (c) 2008-2016 by Gillen Daniel <gillen.dan@pinguin.lu> *
* *
* This program is free software: you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the Free *
* Software Foundation, either version 3 of the License, or (at your option) *
* any later version. *
* *
* This program is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for *
* more details. *
* *
* You should have received a copy of the GNU General Public License along with *
* this program. If not, see <http://www.gnu.org/licenses/>. *
*******************************************************************************/
#ifndef MACROS_H
#define MACROS_H
#ifndef __APPLE__
#define FOPEN fopen64
#else
// Apple does use fopen for fopen64 too
#define FOPEN fopen
#endif
/*
* Macros to alloc, realloc or free memory and check whether it worked or not
*/
#define XMOUNT_MALLOC(var,var_type,size) { \
(var)=(var_type)malloc(size); \
if((var)==NULL) { \
LOG_ERROR("Couldn't allocate memmory!\n"); \
exit(1); \
} \
}
#define XMOUNT_CALLOC(var,var_type,size) { \
(var)=(var_type)calloc(1,size); \
if((var)==NULL) { \
LOG_ERROR("Couldn't allocate memmory!\n"); \
exit(1); \
} \
}
#define XMOUNT_REALLOC(var,var_type,size) { \
(var)=(var_type)realloc((var),size); \
if((var)==NULL) { \
LOG_ERROR("Couldn't allocate memmory!\n"); \
exit(1); \
} \
}
#define XMOUNT_FREE(var) { \
free(var); \
(var)=NULL; \
} while(0)
/*
* Macros for some often used string functions
*/
#define XMOUNT_STRSET(var1,var2) { \
XMOUNT_MALLOC(var1,char*,strlen(var2)+1) \
strcpy(var1,var2); \
}
#define XMOUNT_STRNSET(var1,var2,size) { \
XMOUNT_MALLOC(var1,char*,(size)+1) \
strncpy(var1,var2,size); \
(var1)[size]='\0'; \
}
#define XMOUNT_STRAPP(var1,var2) { \
XMOUNT_REALLOC(var1,char*,strlen(var1)+strlen(var2)+1) \
strcpy((var1)+strlen(var1),var2); \
}
#define XMOUNT_STRNAPP(var1,var2,size) { \
XMOUNT_REALLOC(var1,char*,strlen(var1)+(size)+1) \
(var1)[strlen(var1)+(size)]='\0'; \
strncpy((var1)+strlen(var1),var2,size); \
}
#endif // MACROS_H

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